深思(某事) consider (a matter) deeply
ponder over〔on,upon〕 sth
We pondered over the present state of affairs.
我們考慮了當前的情況。
Give me a few days to ponder over it.
給我幾天時間好好考慮這個問題。
The young captain is pondering over a thorny problem.
年輕的上尉正在思考一個棘手的問題。
Successive committees have pondered over this problem without finding a solution.
連續幾屆委員會都考慮過這個問題而未找到解決的辦法。
She pondered bitterly upon the meaning of life.
她苦苦地思索生活的意義。