| 释义 |
know your stuff
idiom informal(also UKold-fashionedknow your onions)
C2
to have good practical skills and knowledge in a particular activity or subject精通业务，懂行
SMART Vocabulary: related words and phrases
Skill, talent and ability
ability
accomplishment
accuracy
acumen
adroitness
chop
endowment
functional skills
functioning
genius
gift
greatness
prowess
pyrotechnic
pyrotechnics
qualification
repertoire
repertory
speciality
workmanship
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