double up

US /ˈdʌb.əl ʌp/
UK /ˈdʌb.əl ʌp/
"double up" picture
1.

合住, 共用

to share a room or bed, especially when there is not enough space for everyone to have their own

:
We had to double up in a small hotel room during our trip.
旅行期间,我们不得不在一间小旅馆房间里挤在一起
Due to limited space, some students will have to double up in the dorms.
由于空间有限,一些学生将不得不在宿舍里合住
2.

弯腰, 蜷缩

to bend over or curl up, typically because of pain or laughter

:
He started to double up with laughter after hearing the joke.
听到这个笑话后,他开始笑得弯下腰
The sudden pain made her double up.
突如其来的疼痛使她弯下身子