out of one's (sb.'s) depth 1. 在对自己(某人)说来过深的水中 He was splashing and struggling out of his depth. 他在自己力所不及的深水里拍打着水挣扎着。 2. 非自己(某人)所能理解；为自己(某人)力所不及 He was somewhat out of the young minister's depth. 他不能完全为那位青年牧师所理解。 I was beginning to feel out of my depth. 我开始感到茫然。