screw up:vt.拧紧(强迫,加强,鼓足)/振作/一团糟,乱七八糟例句与用法:1.He tightened the screws up.他拧紧了螺丝.2.The taste of the lemon made her screw up her face.柠檬把她酸得龇牙咧嘴.3.Screw oneself up to...