1 hair

2 drawing brush

3 (in the) least

4 one thousandth

5 currency unit, 0.1 yuan

1 second (unit of time)

2 arc second (angular measurement unit)

3 (coll.) instantly

1 hardly

2 not in the least

3 not at all

1 milliliter

1 millimeter

1 a tiny bit (idiom)

2 an iota

1 one thread, one hair (idiom); a tiny bit

2 an iota

1 seize every minute and second (idiom); not a minute to lose

2 every moment counts

1 a tiny lapse can lead to a huge mistake (idiom); a minor discrepancy leading to enormous losses

1 a tiny lapse can lead to a huge mistake (idiom); a minor discrepancy leading to enormous losses