磨合

HSK 7-9

móhé

to adjust; to fit together (team; couple; machine)

to wear in

新买的自行车需要磨合。

xīn mǎi de shēng qì chē xū yào mó hé.

A new bicycle needs break-in.

请让新机器慢慢磨合。

qǐng ràng xīn jīqì màn màn mó hé.

Please let the new equipment slowly break in.