查询词典 S

have sb. at one's back：有某人在背后支持, 有某人撑腰

ride on sb.'s back骑在某人头上, 压迫某人, | have sb. at one's back有某人在背后支持, 有某人撑腰; | have one's back to the wall负隅顽抗

have sb. at one's back：以某人做靠山

26 behind one's back 背着某人;暗地里 | 27 have sb. at one's back 以某人做靠山 | 28 turn one's back on sb. 掉头不理睬;拒绝帮助别人

bull's eye at one's back：危险

name it 直说 | bull's eye at one's back 危险 | meant bussiness 重要事情

at one's best：处在最佳状态

at one's back 支持某人 | at one's best 处在最佳状态 | at one's wits' end 智穷计尽

at one's best：处于最佳状态

at one's request 应某人请求 | at one's best 处于最佳状态 | at one's wits' end 不知所措

at one's best: in one's best condition：处于最佳状态

The noise was driving him crazy. 噪音快让他发疯了. | 5. at one's best: in one's best condition 处于最佳状态 | The singer was at her best during her performance. 这歌手在演出时达到最佳状态.

At one's disposal：由某人做主

at one's command 可自由支配 | at one's disposal 由某人做主 | at one's ease 没有拘束的

at one's ease：没有拘束的

at one's disposal 由某人做主 | at one's ease 没有拘束的 | at one's elbow 近在手边

at one's ease：安详,自在,不拘束

555at one's convenience在方便的时候,以方便的方式 | 556at one's ease安详,自在,不拘束 | 557at one's elbow在(某人)手边,在(某人)近旁

at one's ease：自由自在

at one's beck and call 完全听命与人 | at one's ease 自由自在 | at one's fingertips 垂手可得

plasticine：塑像用粘土

plastic 塑胶 | plasticine 塑像用粘土 | plasticity 可塑性

Steel Skeleton Construction：钢骨构造

"钢珠","steel shot" | "钢骨构造","steel skeleton construction" | "钢枕(铁路)","steel sleeper"