take great pains的用法和樣例：
例句
- He was taking great pains to solve the problem.
他正煞費苦心解決這個(gè)問(wèn)題。 - She took great pains in educating her children.
她煞費苦心教育她的子女。 - The pianist pounded out the tune with great effort.
鋼琴師用了很大氣力才彈奏出這個(gè)調子。 - They took great pains to build up their influence there.
他們花很大氣力在那里培植他們的勢力。
