Think

念

niàn

(to ponder, to go over in one's head)

思考

sīkǎo

(communicate to oneself in one’s mind)

想

xiǎng

(to ponder, to go over in one's head)

想

xiǎng

(communicate to oneself in one’s mind)

想

xiǎng

(guess, reckon)

考虑

kǎolǜ

(to conceive of something or someone)

覺得 /觉得

juéde

(be of the opinion that)

認為 /认为

rènwéi

(be of the opinion that)