... in vain 徒劳, 无益地 轻慢地; 随便地 a passing acquaintance with对...的浮浅的了解 drop [cut] sb.'s acquaintance (=cut an acquaintance with sb.) 和某人绝交 ...
2
?的浮浅的了解
a passing acquaintance with 对...的浮浅的了解...
双语例句
1
Those withapassingacquaintance of Australia will attribute its success to its luck in having such an abundance of minerals that its booming Asian neighbours want to buy.