两手准备用英语怎么说

有两手准备：have two strings to one's bow

例如：
奥斯卡有两手准备——或从教或写作。
Oscar has two strings to his bow-he can teach or he can write.
她又是小说家又当大学讲师, 有两手准备．
As both a novelist and a university lecturer, she has two strings to her bow.

dual tactics