...They were mostly young, keen andalert, their skins red or brown from the actinic lights, their hairshowing more or less bleaching from the same cause... 
Various 「Astounding Stories, August, 1931」
...There was abird soaring through the keen air up there, gliding in easy circleswith almost motionless wings...
Various 「Astounding Stories, August, 1931」
...Sight andscent became remarkably keen, while his hearing developed such acuteness thatin his sleep he heard the faintest sound and knew whether it heralded peace orperil...
Jack London 「The Call of the Wild」
...Gallardo, as though he felt that his person preserved the keen stench ofthe misery of his earlier years, perfumed himself with offensiveprofusion...
Vicente Blasco Ibáñez Frances Douglas 「The Blood of the Arena」
...Are ye to say it again? There’s hills and heather enough between here and the two seas, David; and I will own I’m no very keen to stay where I’m no wanted...
Robert Louis Stevenson 「Kidnapped」
...He noted that Sir Percy and Lady Blakeney hadnot yet arrived, and his keen, pale eyes glanced quickly towards the door everytime a newcomer appeared...
Baroness Orczy 「The Scarlet Pimpernel」
...Marguerite had not even tried to see Chauvelin during this last hour; she knewthat his keen, fox-like eyes would terrify her at once, and incline the balanceof her decision towards Armand...
Baroness Orczy 「The Scarlet Pimpernel」
...There was a curious look on his mobile face, partly amused and wholly puzzled,and as his keen eyes met Marguerite’s they became strangely sarcastic...
Baroness Orczy 「The Scarlet Pimpernel」
...The eyes of the Jew shot a quick, keen glance at the gold in hisinterlocutor’s hand...
Baroness Orczy 「The Scarlet Pimpernel」
...Andre-Louis continued to laugh, quite silently, as he sometimes did when the humour of a jest was peculiarly keen...
Rafael Sabatini 「Scaramouche」
...The French are keen judges and they give frontplace to the Scots and the Australians...
John Buchan 「Mr. Standfast」
... His keen eyes, therefore,saw the figures of two men grappling with a woman...
Edgar Rice Burroughs 「The Beasts of Tarzan」
...His keen eyes detected at once that something was radically wrong, andwhen he had heard Mugambi's story his jaws clicked angrily together ashe knitted his brows in thought...
Edgar Rice Burroughs 「The Beasts of Tarzan」
... He turned Mbonga over and looked him inthe face, exposing the man's throat, then he drew his long, keen knife,the knife that John Clayton, Lord Greystoke, had brought from Englandmany years before...
Edgar Rice Burroughs 「Jungle Tales of Tarzan」
...He found pleasure in watching the ungainly antics of Duro, thehippopotamus, and keen sport in tormenting the sluggish crocodile,Gimla, as he basked in the sun...
Edgar Rice Burroughs 「Jungle Tales of Tarzan」
... He heard andfollowed the movements of the insect with his keen ears, and then hefelt it alight upon his forehead...
Edgar Rice Burroughs 「Jungle Tales of Tarzan」
...His eyes, his ears and his keen nostrils were ever on the alert...
Edgar Rice Burroughs 「Jungle Tales of Tarzan」
便利！手書き漢字入力検索
この漢字は何でしょう？？