1、appear
好像;似乎;看来
There appears to be increasing support for the leadership to take a more aggressive stance.
好像有越来越多的人支持领导层采取更为强势的立场。
The aircraft appears to have crashed near Katmandu.
飞机似乎在加德满都附近坠毁了。
看起来；显得
She did her best to appear more self-assured than she felt.
她竭力让自己表现得比实际更自信。
He is anxious to appear a gentleman.
他急于想表现得像个绅士。
开始存在；产生
small white flowers which appear in early summer.
初夏时绽放的白色小花
Slogans have appeared on walls around the city.
标语已出现在全城周围的墙上。
2、concern
忧虑;担心
The group has expressed concern about reports of political violence in Africa.
该团体对有关非洲政治暴力的报道表示关切。
The move follows growing public concern over the spread of the disease.
针对公众对该疾病的不断蔓延日益担忧，从而出台了这一举措。
使担忧;使心烦
The growing number of people seeking refuge in Thailand is beginning to concern Western aid agencies.
到泰国寻求庇护的人日益增多，这开始引起了西方援助机构的不安。
It concerned her that Bess was developing a crush on Max.
贝丝迷上了马克斯，这让她很担心。
令人担忧的事实(或情况)
His concern was that people would know that he was responsible.
他担心大家会知道是他的责任。
Unemployment was the electorate's main concern.
选民关心的主要是失业问题。