惯技

guàn jì chóng xiàn

惯技重现

play the same old trick again

bǎ guì zhòng wù cáng zài xiǎo hái shēn shang shì yóu tài rén de guàn jì

把贵重物藏在小孩身上是犹太人的惯技。

It's an old Yid trick to hide valuables on the children.

guà yáng tóu mài gǒu ròu shì tā men de guàn jì

挂羊头卖狗肉是他们的惯技。

To sell horse meat as beefsteak is their usual practice.