Taivo A Taiwan Mandarin dictionary

鉚勁兒

mǎojìnr

ㄇㄠˇ ㄐㄧㄣˋ ˙ㄦ

Simplified 铆劲儿

  1. 1to apply all one's strength in a burst of effort

Keep 鉚勁兒 and it comes back until you know it.

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