He tends to exaggerate his achievements, though they're not that impressive.

### 解释 exaggerate 是动词，由前缀 ex-（表示"向外"）和词根 agger（来自拉丁语 aggerare，意为"堆积"）加上动词后缀 -ate 组成，字面意思是"向外堆积"，引申为"夸大、夸张"的意思。