Jack of all trades, master of none
Someone who can do many things but none of them well.
English
Jack of all trades, master of none
Tiếng Việt
Nghề nào cũng biết, chẳng tinh nghề nào.
Người biết nhiều việc nhưng không giỏi việc nào.
Ví dụ
- He can fix anything badly — a jack of all trades, master of none.
- She worried that switching fields would make her a jack of all trades, master of none.