They are squatting and assembling the furniture.
他们蹲着组装家具。
squatting /skwɑːt/
v. squat (down) to sit on your heels with your knees bent up close to your body
蹲，蜷
Eg. We saw them squatting down behind a wall.
我们看见他们在墙背后蹲着。
assemble /əˈsembl/
v. to come together as a group; to bring people or things together as a group
聚会，集合
Eg1. We are supposed to assemble in front of the building.
我们应该在门口集合。
Eg2. assemble evidence/data
收集证据/数据
v. assemble something to fit together all the separate parts of something, for example a piece of furniture
组装，装配（如家具）
Eg. Ayman helped me assemble the furniture in my room.
Ayman帮我组装我房间的家具
Yiting bought this house on a whim.
一婷一时兴起就买了一栋房子。
whim /wɪm/
n. a sudden wish to do or have something, especially when it is something unusual or unnecessary
一时的兴致，心血来潮，突如其来的想法。（通常指不寻常或没必要的事）
on a whim/at whim 一时兴起地
Eg. Oh for a husband who would indulge my every whim!
身为老公就应该纵容我每一个突发奇想！
