stand 和 bear,tolerate相同点：都可以表示“承受困难和不快,容忍”,可以互换.
区别：stand常用于否定,后接ing,to 形式都可以.
I can't stand her voice.我受不了你的声音
I can't stand hearing her cry
bear接动词ing、to不定式及that从句
She is always the first to bear hardships.
He couldn't bear to see the dog in pain.I can't bear being boring.
He could notbearthat his friends should laugh at him.
tolerate vt.+ N./ ving
I won't tolerate lying
I will not tolerate that sort of behaviour in my class
