鱷ngok6魚jyu4頭tau4老lou5襯can3底dai2

English

1. someone who looks very smart but is actually easily deceived and tricked
2. someone who appears very clever or tough but is actually stupid or ineffective. Literally: crocodile head old fool bottomunreviewed?

粵語 — Cantonese

1. 外表精明、強悍，實則愚鈍（老襯）unreviewed?

Examples

• unreviewed?

  咪睇佢做戲好似好英明神武，原來係鱷魚頭老襯底，做生意俾人呃到周身債。

  Don't be misled by his hero image in the movies – he looks smart but is actually a fool. He's been cheated many times in the business and is drowning in debt.