Meaning
"ただ〜だけ" means "only [something]" or "nothing else but [something]."
① It is a formal expression, often used in written language.
② "ただ" can be omitted.
Examples
-
今はただみんなの無事を祈るのみです。
All I can do now is pray for everyone's safety. -
今ただは無くなった方のご冥福を祈るのみです。
All we can do now is pray for the repose of the soul of the departed. -
昨日の失敗は一旦忘れて、ただ次の仕事に専念するのみだ。
I'm going to forget about yesterday's failure and just concentrate on the next job. -
明日は楽しみにしていた遠足なので、雨が降らないことを祈るのみです。
Since we have the much-awaited field trip tomorrow, all we can do is pray for good weather. -
やれることはやったので、後はただ結果を待つのみだ。
I've done what I can, so now all I can do is wait for the results. -
過去のことは振り返らず、ただ前進あるのみだ。
I don't look back at the past, all I can do is move forward.
Summary
- ただ〜のみ means "only"
- This is an N1-level grammar pattern