screw up什么意思？

Can you screw up this handle for me?你能帮我把这个把手拧紧 吗 ?The taste of the lemon made her screw up her face.柠檬把她酸得龇牙咧嘴.You have to screw up the handle, it has become loose.柄松动了,你得把螺丝拧紧....

screw up的音标：screw up的英式发音音标为：[skru: ʌp]screw up的美式发音音标为：[skru ʌp]...