at home
在家
at work
在工作
at school
在學校
at all
（否定句）根本；究竟
be in at
在場，參與;參與；與…有關;[口語] (在某事的最後階段)在場；參與：;
at it again
[口語]爭吵；重複負面消極的行爲(此語亦可含有與性行爲有關的意思)
She is good at playing the piano.
她擅長彈鋼琴。
He excels at math and science.
他擅長數學和科學。
They are skilled at multitasking.
他們擅長同時處理多項任務。
I am terrible at remembering names.
我很不擅長記住名字。
She is proficient at speaking multiple languages.
她擅長說多種語言。
He is not very good at cooking.
他不太擅長烹飪。
They are experts at solving puzzles.
他們是解謎題的專家。
She is talented at playing the guitar.
她有彈吉他的天賦。
He is hopeless at keeping secrets.
他很不擅長保守祕密。
They are skilled at negotiating deals.
他們擅長談判交易。
Please read it over at your leisure.
請你在閒暇時候讀一讀。
來源: High-frequency vocabulary in daily lifeHe seems more at home in his shabby overalls.
他穿着那套破爛爛的工作服好像更自在些。
來源: New Concept English: Vocabulary On-the-Go, Book Three.She says different species turn up at different stages of decomposition.
她表示，不同物種在不同的分解階段出現。
來源: Science in 60 Seconds November 2017 CompilationThey usually launch their attacks at night and target residential areas.
他們通常晚上發起攻擊而且將目標鎖定爲居民區。
來源: VOA Standard November 2015 CollectionPlease keep your arms and legs inside the tram at all times.
請關掉手機並請洗好安全帶。
來源: Animation movies learn English.Anne jumped up and looked angrily at Gilbert.
安妮從座位上跳起來瞪着吉爾伯特。
來源: Anne of Green Gables (abridged version)Look at the camera. Say, " Cheese! "
看鏡頭，說“茄子”！
來源: Classic children's song animation Super Simple SongsLuckily, I have both a bridle and a saddle hanging up at home.
運氣不錯，我家裏正掛着一副馬鞍和繮繩。
來源: Original Chinese Language Class in American Elementary SchoolsMilu deer are well looked after at present.
目前，麋鹿得到了很好的照顧。
來源: Model Essay for Full Marks in English GaokaoHe bought a hammer and other hardware at the store.
他在商店買了一把鐵錘和其他的五金工具。
來源: Liu Yi Breakthrough English Vocabulary 3000探索常見搜尋詞彙