shoelace

1.I bent down and tied my shoelace.

我弯下身来系。

2.He is bending down to tie his shoelaces.

他正弯下腰系。

3.Renwick bent to tie his shoelace.

威克弯腰系。

4.Hurry up. Tie up your shoelaces; we are late.

快点, 系上你, 我们晚了。