twiddle one's thumbs 意思是“无所事事”，“无聊”或“焦急等待” 无所事事，百无聊赖地消磨时间（字面意思是“无聊地摆弄大拇指”） 因无事可做而感到烦躁或等待时的状态 例句 While waiting for the delayed flight, passengers had nothing to do but twiddle their thumbsat the gate. （航班延误时，乘客们只能在登机口干等着，无所事事。） Don’t just twiddle your thumbs—if you finish your work early, find a way to help the team. （别光闲着——如果你提前完成工作，就想办法帮帮团队。）