sign up
sign upphrasal verb
UK/ˌsaɪn ˈʌp/US/ˌsaɪn ˈʌp/
Dạng từ: signs up · signed up · signing up
B1to agree to become involved in an activity or course, or to create an account
- I've signed up for a cooking class.
- Sign up online to get our newsletter.