unsparing

The teacher was unsparing in her criticism of the student's careless work.

用法提示：unsparing 作表语形容词，与 in 连用，表示“批评等毫不留情的”。

The documentary offers an unsparing look at the lives of factory workers.

用法提示：unsparing 作定语形容词，修饰 look，意为“不留情面的、直面的”。

The food critic was unsparing about the restaurant's poor service.

用法提示：unsparing 作表语形容词，后接 about，表示“严厉的、不客气的”。