万が一気が変わったら、知らせて下さい。

万が一気が変わったら、知らせて下さい。

If you change your mind, let me know.

万(まん)が一(いち)気(き)が変(か)わったら、知(し)らせて下(くだ)さい。

Mangaichi ki ga kawattara, shirasete kudasai.

万が一 (まんがいち、まんがいつ)

if by any chance; just in case; in the worst case; in the unlikely event that; 10000 to 1

気 (き)

spirit; mind; heart; nature; disposition; motivation; intention; mood; feelings; atmosphere; essence

が (が)

indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and

変わる (かわる)

to change; to be transformed; to be altered; to vary; to move to; to be different; to be uncommon; to be unusual

知らせる (しらせる)

to notify; to advise; to inform

下さる (くださる)

to give; to confer; to bestow; to kindly do for one; to oblige; to favour; to favor

Readings: マン、バン、よろず

Meanings: ten thousand, 10,000

Readings: イチ、イツ、ひと-、ひと.つ

Meanings: one, one radical (no.1)

Readings: キ、ケ、いき

Meanings: spirit, mind, air, atmosphere, mood

Readings: ヘン、か.わる、か.わり、か.える

Meanings: unusual, change, strange

Readings: チ、し.る、し.らせる

Meanings: know, wisdom

Readings: カ、ゲ、した、しも、もと、さ.げる、さ.がる、くだ.る、くだ.り、くだ.す、 -くだ.す、くだ.さる、お.ろす、お.りる

Meanings: below, down, descend, give, low, inferior