at midday, at noon：在中午

the Clarks = the Clark family 克拉克一家 | 在中午at midday, at noon | 在午夜at midnight

Prep.(dang1) At, in front of：當...之時

的當,甚當 very appropriate. | Prep.(dang1) At, in front of: 當...之時 at the time of ; | 當先,當後 at the front, at the rear;

Prep.(dang) At, in front of：當...之時

的當,甚當 very appropriate. | Prep.(dang) At, in front of: 當...之時 at the time of ; | 當先,當後 at the front, at the rear;

Most of our knowledge is at second hand：我們的大部分知識是間接的

The ship has spent three months at sea.^輪船已在海上度過... | Most of our knowledge is at second hand.^我們的大部分知識是間接的. | The bank receives drafts payable at sight at any time.^銀行隨時兌換見...

at the beginning of... / at the start of：在. . . 開始

16. at the end of 在. . . 末端 | 17. at the beginning of... / at the start of... 在. . . 開始 | 18. try to do sth. 努力去做某事

在末尾 , at the end of 在......的末尾：in the end

15. at the beginning 在開始 , at the beginning of 在......的開始 | 16. in the end 在末尾 , at the end of 在......的末尾 | 17. at the school gate 在學校大門口

He finished the work at the expense of his health. (at the cost of)：以...為代價

104. traveling expenses 旅費 cut down one's expense 減... | 105. at the expense of 以...為代價 He finished the work at the expense of his health. (at the cost of) | 106. an unusual experience 一個不同尋...

at present=at the present time：現(xiàn)在

be present at sp.出席,到場 | at present=at the present time 現(xiàn)在 | be proud of 為...感到驕傲

at present=at the present time：在目前

The characters in the novel are vividly presented. 小說中的人物被描述的很形象. | at present= at the present time 在目前 | I'm afraid I can't help you at present. 恐怕我現(xiàn)在不能幫你.

at present at the present time; right now：現(xiàn)在;目前

devote...to 致力于......;獻身于...... | at present at the present time; right now 現(xiàn)在;目前 | We are badly in need of teachers at present. 當前我們急需教員.