して
mashite

Adverb
Expression

1. still more; to say nothing of; not to mention

Usually Written in Kana
それらの ほし肉眼 にくがん える、まして望遠 ぼうえん きょうならなおさらである。
sorerano hoshiwa nikugande mieru mashite bōenkyōnara nao saradearu.
You can see the stars with your naked eye, and even better through a telescope.
Adverb
Expression

2. still less

Usually Written in Kana
メアリーはフランス むことさえできない、まして はなすことはできない。
meariiwa furansugō yomu kotosae dekinai mashite hanasu kotowa dekinai.
Mary can't even read French, much less speak it.
Other forms: