check erroneous ideas at the outset; nip sth evil in the bud; guard against creeping malpractice; destroy evils before they are menacing; kill the case at birth
Connect your email
Please set your email and password.
Forgot Password?
Connect account
This email already exist in Cchatty. Type your Cchatty password to link the two accounts.
Forgot Password?
Log In
2-Step Authentication
The verification code has been sent to your mobile phone
Security detection
Connect your email
Please set your email and password.
Forgot Password?
Connect account
This email already exist in Cchatty. Type your Cchatty password to link the two accounts.
Forgot Password?
Sign Up
Security detection
Mstory
Story
Notebook
QA
Video
Video uploaded successfully
The video will be automatically published after transcoding.
Exam
Request Answers:
Suggested experts(0/25)
All experts
It looks like you are visiting our website from China. Would you like to switch to our China site instead?