grunt

1. V-T/V-I If you grunt, you make a low sound, especially because you are annoyed or not interested in something. (尤指厭煩或不感興趣時) 嘟噥著說; 嘟噥

The driver grunted, convinced that Michael was crazy. 司機嘟噥著，深信邁克爾瘋了。

Harvey grunted disgustedly as he tossed in his cards. 哈維扔下了牌，厭煩地嘟噥著。

2. N-COUNT Grunt is also a noun. 嘟噥[oft N 'of' n]

Their replies were no more than grunts of acknowledgement. 他們的回答不過是表示感謝的咕噥聲。

3. V-I When an animal grunts, it makes a low, rough noise. (動物的) 咕嚕聲

...the sound of a pig grunting. …豬發(fā)出的咕嚕聲。

4. N-COUNT A grunt is a soldier of low rank in the infantry or the marines. (步兵或海軍陸戰(zhàn)隊中的) 低等兵[美國英語] [非正式]

I'm just a grunt. I have to follow everybody's orders. 我只是個低等兵，誰的命令我都必須服從。