萧条
关于off,on,down,up的短语_百度知道 ... off one's guard 不提防, 不警惕 slacken off 松懈,懈怠,萧条 slip off 溜走,滑落,脱掉 ...
懈怠
关于off,on,down,up的短语_百度知道 ... off one's guard 不提防, 不警惕 slacken off 松懈,懈怠,萧条 slip off 溜走,滑落,脱掉 ...
松懈
关于off,on,down,up的短语_百度知道 ... off one's guard 不提防, 不警惕 slacken off 松懈,懈怠,萧条 slip off 溜走,滑落,脱掉 ...