that is to say
US /ðæt ɪz tə seɪ/
UK /ðæt ɪz tə seɪ/
1.
也就是說, 換句話說
used to introduce a clarification or explanation of a preceding statement
:
•
He is a polyglot, that is to say, he speaks many languages.
他是一個多語種者，也就是說，他會說多種語言。
•
The event is scheduled for next Tuesday, that is to say, October 26th.
活動定於下週二，也就是說，10月26日。