窍门儿

1.
qiaomen
erhua ... 巧劲儿 qiaojin 窍门儿 qiaomen 球儿 qiu ...
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2.
an ingenious method
Methodically in... ... a quicker method 近道 an ingenious method 窍门; 窍门; 窍门儿; 窍门儿 analytical methods 分析方法 ...
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