| fill sth in(US also 美亦作 fill sth out) 1 to complete a form, etc by writing information on it 填写表格等: Could you fill in the application form, please? 请填写这份申请表。 2 to fill a hole or space completely to make a surface flat 填满（窟窿或空间）: You had better fill in the cracks in the wall before you paint it. 上油漆以前你最好先把墙上那些裂缝填一填。 |