mad/mæd/

a.

➊ mentally ill or unable to behave in a reasonable way

➋ very angry

➭ cf. & sf. -dd-

a.

➊ 发疯的：She's gone mad. 她疯了。

➋ [不能置于名词前] 很生气的：[mad at (或with) sb] The teacher is mad at him for being late. 他迟到了，老师非常生气。

◇[mad about sth] She's mad about my mistakes. 她对我犯的错误很生气。

be mad about sb/sth：痴迷，迷恋：He's mad about football. 他痴迷足球。

音组-ad/-æd/

bad; dad; glad; mad; had

常犯错误

✗ He become mad in prison.

✓ He went mad in prison. 他坐牢时疯了。

[✌“发疯”不说become mad，说go mad]