只要
zhǐ​yào HSK2

as long as

只要 zhǐ​yào
as long as conjunction
so long as; provided that

只要努力，你就能成功。

zhǐ​yào nǔ​lì, nǐ jiù néng chéng​gōng.

As long as you work hard, you will succeed.

if only adverb
as long as; provided that (used to indicate a sufficient condition)

Frequency
Movie subtitles
305.1 per million appears in 70% of films
Written text
220.0 per million

Details
HSK 2.0
Level 4
HSK 3.0
Level 2

Sources
Definitions
CC-CEDICTAI-generated definitions
Frequency data
SUBTLEX-CHBCC Corpus (BLCU)