1、In difficulty of learning, music lies somewhere in between speaking and writing.
從學(xué)習(xí)難度上看，音樂(lè)在說(shuō)話和寫(xiě)作的中間地帶。

2、When I am in difficulty he kindly comes to my assistance
我遇到困難時(shí),他好心地來(lái)幫助我

3、The task varied in difficulty according to the pitch of the second tone.
這項(xiàng)任務(wù)的難度隨著第二個(gè)音調(diào)的高低而變化。

4、One of the station staff saw he was in difficulty and came to his aid.
一位車站工作人員見(jiàn)他有困難，便過(guò)來(lái)幫忙。

in difficulty翻譯