吭哧

1. puff and blow

♦ 他背起麻包~~地走了。 He heaved the sack on his back and staggered off, puffing and blowing from the strain.

2. work hard; toil

♦ 她~了半天才把文章写出来。 She toiled a long time over her article.

3. hum and haw

♦ 他~了好一会儿才说出来。 He hummed and hawed for quite a while before he finally came out with it.