只要

zhǐyào
so long as; provided; if

CEDICT

Entry Composition

=1 只 zhǐ only; merely; just
=1 只 zhǐ variant of 只 zhǐ
=1 只 zhǐ variant of 只 zhǐ
2 要 yào
  1. to want; to need; to ask for
  2. will; shall; about to
  3. need to; should
  4. if (same as 要是 yàoshi)
  5. (bound form) important