ほんのわずかな

only a tiny amount or number

→ 本の
phrase Rare #28,881
only a tiny amount or number Used before a noun to emphasize that the amount or number is extremely small. It often appears with しか〜ない, meaning “there are only...” or “have only...”.
JA: ほんのわずかな時間しかありません。
EN: There is only a tiny amount of time.

彼女はほんのわずかな資産しか持っていなかった

She had only a very modest amount of wealth.

その店にはほんのわずかなしかいなかった

There were only a few customers in that store.

放課後だったので運動場にはほんのわずかな生徒しかいなかった

Since it was after school, there were only a handful of students on the school field.

ほんのわずかなしか見かけませんでした

I saw only a very small number of people.