JLPT N1
～たりとも
not even; not any (emphasis on small quantity)
Structure / Usage
Number (small amount) + たりとも + Negative
Example Sentences
一秒たりとも無駄にできない。
I can't waste even a single second.
一円たりとも貸さない。
I won't lend even a single yen.
not even; not any (emphasis on small quantity)