3. innocence n. 无辜 句子
He was innocent of the murder.
Don't be innocent as to believe everything he tells you.
as innocent as a new-born baby 4。undertake v. 承担,着手做 英释 take up 词句
undertake to do 承担,开始做
undertake an arduous task
I want you to undertake all the arrangements.
He undertook be here before midday. 联想记忆
开始做............
start to do sth
take off doing sth
be engaged in sth
set out to do
set about doing
perform sth.
... on the way 在进行中
The discuss on the way.