1、害怕
...be late for：迟到be afraid of：害怕……be sorry for（sth.）：为……抱歉 ...
2、恐怕
... be acquainted with与…相识，熟悉 be afraid of恐怕，害怕，担忧 (来源：英语麦当劳-英语杂志 ) be angry at因某事生气 ...
3、担心
... be guilty of犯有…罪或过失；犯有……罪或过失；有…罪或过失；有罪 be afraid of恐怕；害怕；畏惧；担心 be shy of难为情；不好意思；犹豫不想 ...
4、担心发生
... afraid adj. 怕，害怕的；担心的，恐怕 be afraid of 担心发生… after prep. 在…以后，在…后面 ...
be not afraid of不怕;不要怕;不要害怕
be e afraid of害怕
be still afraid of仍然害怕
be not afraid of hardships不畏艰难
be not afraid of sacrifice不怕牺牲
Be not afraid of greatness不要惧怕伟大
be mortally afraid of death贪生怕死
be afraid of doing担心某事会发生;害怕做某事;害怕去做;惧怕做某事