介詞的用法二

介詞的用法二   at的常見用法 at構(gòu)成的詞組比較多，要細心區(qū)分。 
1.動詞+ at 
arrive at抵達,call at訪問某地, catch at(it)當(dāng)場抓住, come at攻擊, fire at向…開火,glance at瞟一眼, glare at怒目而視, grieve at憂傷，knock at敲,laugh at嘲笑, look at看一眼, pull at拉扯, rejoice at對…高興，smile at向某人微笑, shoot at朝…射擊, stare at怒目而視,thrust at刺向, tear at撕, tremble at顫抖，wonder at吃驚，work at工作。 
2. be +形容詞/過去分詞+ at 
be angry at惱怒于, be alarmed at對…保持警覺,be astonished at對…吃驚, be bad at不擅長, be clever at對某事很靈巧,be delighted at高興，be disgusted at厭惡, be disappointed at對…失望，be good at擅長, be impatient at對…不夠耐心, be mad at狂熱于,be pleased at對…感到高興, be present at出席, be satisfied at滿意,be surprised at吃驚, be shocked at對…非常震驚，be terrified at受到…的恐嚇,be quick at對…很機敏。 
3.at+名詞構(gòu)成的詞組 
at a distance在一定距離，at a loss不知所措， at a time一次，at all一點也不，at any cost不惜一切代價，at best最好也只是，at first起初，at hand手頭，at heart在內(nèi)心里，at home在家；無拘束，at last最后，at least至少，at most最多，at once馬上，at present目前。