seem to do sth
She seems to know the answer.
她似乎知道答案。
似乎；好像
看起来；似乎；象是
to appear to be something or to be perceived in a particular way
看起来；似乎
To appear; to look outwardly; to be perceived as.
一般现在时
The sky seems clear today.
今天天空似乎很晴朗。
一般过去时
He seemed happy at the party.
他在派对上似乎很开心。
常规动词，变形规则。
The boy seems unhappy about the decision.
这个男孩似乎对这个决定感到不高兴。
用法提示：seems 作系动词，表示‘似乎’，后接形容词。
It seemed like a good idea at the time.
当时这似乎是个好主意。
用法提示：seemed 是过去式，后接like引导的介词短语。
She didn't seem to notice the change.
她似乎没有注意到这个变化。
用法提示：seem 接不定式，表示‘似乎做某事’，此处为否定形式。
She seems to know the answer.
她似乎知道答案。
口语中常省略to be
He seems happy.
他看起来很高兴。
it作形式主语，that从句为真正主语
It seems that he has forgotten.
看起来他忘记了。
This seems like a good idea.
这似乎是个好主意。
appear 较正式，常用于客观叙述，可接不定式或形容词
look 侧重视觉印象，常接形容词或 like
sound 侧重听觉印象，常接形容词或 like
feel 侧重主观感受，常接形容词或 like
grammar · medium
易错句子I seem him to be nice.
正确表达He seems nice.
Seem 是不及物动词，不能直接接宾语，应改为主语+seem+形容词的结构。
grammar · medium
易错句子She seems be happy.
正确表达She seems happy.
Seem 后应直接跟形容词或 to be + 形容词，不能跟动词原形。
与seem相对，表示确定的事实状态，而非表面印象
appear侧重于客观呈现的表象，而seem侧重主观判断。
look多指视觉观察的印象，而seem更依赖推论或直觉。
sound指听觉感受，seem不限于感官。
似乎是
He seems to be a nice person.
他似乎是个好人。
看起来像
It seems like a good idea.
这看起来像是个好主意。
似乎好像
She seemed as if she didn't understand.
她似乎好像没理解。
似乎
It seems that everyone is ready.
似乎大家都准备好了。
似乎有
They seem to have a lot of energy.
他们似乎有充沛的精力。
似乎做
The machine seems to work well.
这台机器似乎运转良好。
看起来...
It seems that he is not coming.
看起来他不会来了。
好像
She seems like a nice person.
她好像是个好人。
仿佛…
It seems as if it might rain.
仿佛要下雨了。
看起来，夫人？不，它就是；我不懂什么叫‘看起来’。
The character Hamlet says 'Seems, madam? Nay, it is; I know not seems.' to reject pretense.
角色哈姆雷特说‘看起来，夫人？不，它就是；我不懂什么叫看起来。’来拒绝虚伪。
在我看来，你一生如风中蜡烛。
Elton John's song 'Candle in the Wind' uses 'seems' to express an opinion about Marilyn Monroe's life.
埃尔顿·约翰的歌曲《风中之烛》用‘seems’表达对玛丽莲·梦露生平的看法。
Dictionary facts from ECDICT, WIKTIONARY.