1. Don't pack your clothes too tightly in the case or it will ruckle them up.
不要将衣服箱子内塞得太紧，那样会打皱的。
verb
1. 911查询·英语单词
1. make wrinkles or creases on a smooth surface
make a pressed, folded or wrinkled line in
e.g. The dress got wrinkled
crease the paper like this to make a crane
Synonym: wrinkle crease crinkle scrunch scrunch up crisp
2. make a hoarse, rattling sound