groan/ grəun /

1.noun [c] 
(of pain) 呻吟

2.noun
(of unhappiness) 哼声

3.noun
(of disappointment,disapproval) 嘘声

4.vi.
(in pain) 呻吟

5.vi.
(with disapproval) 嘟囔

6.vi.[tree] [ floorboard+] 
发出嘎吱声

7.vt.
not again! he groaned “够了!”他抱怨道