reward sb (for sth / for doing sth)
奖励；奖赏；给以报酬:
She wasrewardedfor her efforts with a cash bonus.
她因自己所作的努力而得到一笔奖金。

purchase sth (from sb)
买；购买；采购:
The equipment can bepurchased fromyour local supplier.
这种设备可从您当地的供应商购买。

artificial
an artificial limb / flower / sweetener / fertilizer
假肢；假花；人造甜味剂；化肥
artificiallighting / light
人工照明；人造光

please sb
使满意；使愉快:
There's just nopleasingsome people (= some people are impossible to please).
有些人你是没法让他们满意的。

plea (for sth)

请求；恳求:
She made an impassioned plea for help.
她恳切地求助。
ignore sth
忽视；对…不予理会
Heignoredall the 'No Smoking' signs and lit up a cigarette.
他无视所有"禁止吸烟"的警示,点了香烟。