second/ 'sεkənd /

1.adjective
第二的

his second marriage
他的第二次婚姻
2.adverb [perform+] 
(after someone else) 第二地

3.adverb [come] [ finish+] 
(in race,contest) 第二名地

4.adverb
(secondly) 再者

5.noun [c] 
(unit of time) 秒

6.noun
seconds/a second (short time) 片刻

Wait a second!
稍等片刻!
It'll only take a second.
一会儿就行。
7.noun [u] 
(also: second gear) 第二挡

8.noun [c] 
(imperfect product) 次品

Some of the articles are seconds.
有些东西是次品。
9.vt.[+motion] [ nomination] 
(in formal meeting) 附议

10.vt.[+call] 
(back) 赞同

11.vt.[BRIT] [Education] 
upper/lower second 中上/中下

second floor
 [BRIT] 三层
12.vt.[US] 
二层

to be second nature to sb
某人的第二天性
to be second to none
首屈一指的
to be second only to sth/sb
仅次于某物/某人
Charles the Second
查理二世
just a second!
就一会儿!