不足

insufficient / lacking / deficiency / not enough / inadequate / not worth / cannot / should not

no; not so / (bound form) not; un-

excessive

foot / to be sufficient / ample

not at all surprising (idiom)

not at all surprising (idiom)

no use to tell others / let's keep this between ourselves (idiom)

to give no cause for anxiety / nothing to worry about

not to be taken as an example / not an example to be followed / not to be taken as authoritative

to be not worth mentioning

inconsiderable / of no consequence / not worth mentioning

to give no cause for anxiety; nothing to worry about

not worth mentioning (idiom)

premature (birth, child)