可

可乐

kě lè

amusing

可有可无

kě yǒu kě wú

not essential

可能性

kě néng xìng

possibility; probability

可圈可点

kě quān kě diǎn

remarkable (performance, achievement etc)

忍无可忍

rěn wú kě rěn

more than one can bear (idiom); at the end of one's patience

可逆性

kě nì xìng

reversibility

宁可

nìng kě

preferably

炙手可热

zhì shǒu kě rè

lit. burn your hand, feel the heat (idiom)

可以

kě yǐ

can

可能

kě néng

might (happen)

可悲

kě bēi

lamentable

不可知论

bù kě zhī lùn

agnosticism, the philosophical doctrine that some questions about the universe are in principle unanswerable