in no small measure

big fish in a small pond

One who has achieved a high rank or is highly esteemed, but only in a small, relatively unimportant, or little known location or organization.

in no small part

Synonym of in no small measure.

last full measure

A person's life, when lost through death in service to a nation or cause, particularly as a member of a military force in war or a semi-militarized organization such as a police force or civil defense corps, e.g. fire departments. May also be applied to some dangerous government and civil occupations such as espionage.

measure swords with

To match one's abilities against an antagonist's.

measure the drapes

To make premature or unwarranted preparations for victory, especially election to public office.

measure up

To meet expectations; to be as good as.

one small step for man, one giant leap for mankind

(used imitatively) A cliché used to exaggerate an accomplishment or milestone.

sing small

To assume a humble tone.