查询词典 layer upon layer

fall back upon：依靠, 退守

verb cluster 动词词组 | fall back upon 依靠, 退守 | tarnish film 失泽膜

fall back upon：依靠

fall back on 求助于 | fall back upon 依靠 | fall back 后退

fall back upon：求助于; 依靠; 退守; 撤退到...线; 回过来再谈

fall back on 求助于; 依靠; 退守; 撤退到...线; 回过来再谈 | fall back upon 求助于; 依靠; 退守; 撤退到...线; 回过来再谈 | fall behind 落后; 跟不上; 拖欠

We must have something to fall back upon：我们总得有点可以依靠的东西

They were forced to fall back on the second line of defence. 他们被迫退守第二道防线. | We must have something to fall back upon. 我们总得有点可以依靠的东西. | fall behind落后,跟不上:

fall back on/upon: to resort to：(转而)依靠,求助于

e. g. We can't afford to fall behind our competitors in using new technology. 我... | .fall back on/upon: to resort to (转而)依靠,求助于 | e. g. When I lost my job I was glad I had my savings to fall ba...

one has nothing to fear when he has something to fall back upon：有恃无恐

有目共睹:to be obvious to all, as clear as day | 有恃无恐:one has nothing to fear when he has something to fall back upon | 玩火自焚:he who plays with fire will get burned

fall prey to：成为牺牲品,成为......的猎物

excessive permissiveness 放任 | fall prey to 成为牺牲品,成为......的猎物 | father upon 强加于

fall under：被归入

fall together 结合起来 | fall under 被归入 | fall upon 开始行动

fall under：受到(影响等),被归入

fall tube 排水管, 放出管. | fall under 受到(影响等), 被归入. | fall upon 开始行动, 进攻.

fall upon dark days：遭到不幸,倒霉

48bring ... into court控告,起诉 | 49fall upon dark days遭到不幸,倒霉 | 50stick by sb.继续支持,忠于(尤指在困难时刻)

Minstrel Show：化装黑人乐队的演出

show cause 提出正当理由 | minstrel show 化装黑人乐队的演出 | medicine show 走江湖卖药

punctual aspect：準時式;準時體;一次體

punched card 穿孔卡片 | punctual aspect 準時式;準時體;一次體 | punctuation 標點符號用法