不bat1堪ham1一jat1擊gik1

English

1. (idiom) unable to withstand a single blow; to collapse at the first blow
2. so weak that it only takes one strike to destroy

粵語 — Cantonese

1. 殘弱到一個地步，一嘢就可以打巢

Examples

• 巴西冇咗尼馬，雷斯又成日走上去，後方自然不堪一擊。

  Brazil lost Neymar, and Luiz goes to the front all the time, of course their defence is terribly fragile.