like: âm kế
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Composite Words Listening Comprehension Oxford Topics Duolingo Topics 315 Activities
BEGINNER LEVEL
exact:
VNEN 
âm kế * ☊ 
sonometer * ☊
[ âm ] : (1) sound; (2) lunar; (3) Yin, female, negative, minus; (4) reading (of a Chinese character)
[ kế ] : (1) ruse, scheme, stratagem; (2) to reckon, computer, -meter; (3) to succeed, continue, inherit; heir; (4) next to, adjoining