1. complicate efforts by 擾亂……的努力
But the move could complicate efforts by advanced economies to push China to allow the renminbi to appreciate.
但此舉有可能擾亂發達經濟體敦促中國允許人民幣升值的努力T8p](KJgMe7qohtWG_0e。

2. clamp down on 取締；整治；打擊
Beijing is trying to clamp down on illegal, unsafe and polluting mining across all commodities.
中國正試圖取締非法、不安全且造成污染的各類大宗原料開采0(UABeHX+Dw2@o[t*。

3. be buttressed by 有……支持
Her ideas were carefully buttressed by a series of results showing that they had been put into practice and actually worked.
一系列結果都印證了她的觀點，表明她的那些觀點已經被運用到實際中去并且還十分有效|2dnpvQ3]I。

4. roll out 推出
"It's very tough to roll out a vehicle of any kind with such a significant price premium versus an incumbent, " he said.
“推出任何一種比現有車型貴很多的汽車，都將十分困難，”凱文·施說7ml=;Vxbja5。