原形毕露

wǒ men yī guàn bǎ tā kàn zuò péng you dàn zài dāng qián de jǐn jí guān tóu zhōng tā yuán xíng bì lù le

我们一贯把他看作朋友，但在当前的紧急关头中，他原形毕露了。

We always regard him as a friend, but he showed his colours in the current emergency.

wǒ zǎo jiù rèn wéi tā chí zǎo huì yuán xíng bì lù de

我早就认为他迟早会原形毕露的。

I thought he would show the cloven hoof sooner or later.

nà pàn tú bù jiǔ jiù yuán xíng bì lù le

那叛徒不久就原形毕露了。

The traitor displayed his cloven foot before long.