用法:
1 [U] lamenting 悲痛; 哀悼; 痛惜; 抱怨:
Much lamentation followed the death of the old king. 老国王晏驾, 人们悲恸不已.

用法:
2 [C] expression of grief; lament 悲叹; 挽歌; 哀诗.

• not in practice(out of practice)
• not in reason(out of reason, out of all reason)
• not in tune(out of tune)
• not less than(not less … than)
• not the least(not a little)
• not the least(not the less)
• not to mention(not to say)
• not to say(not to speak of)
• not to Say(to Say nothing of)
• not within one's power(out of one's power)
• not without advantage(with advantage)
• notable(noticeable)
• note(notice)
• nothing but(nothing else but)
• nothing else than(nothing less than)
• nothing(no thing)
• notorious(well-known)
• now and then(then and there)
• nowaday （ s ）(at the present time)
• O (oh)
• object(have no objection to)
• object(object to)
• oblige sb by doing sth(oblige sb to do sth)
• observance(observation)
• occupant(occupier)