英和和英

a confirmed invalid

a confirmed invalid

an established invalid

received failing grades

no longer valid

show to be invalid

to coddle an invalid

an indeterminate campaign

declare invalid

unconscionable bargain

reject (documents) as invalid

make invalid for use

showing lack of careful thought

failure to be present

fail to pay up

fail to acknowledge

invalid reasoning

an incompetent secret service

fail to notice

not successfully subjected to brainwashing

an untarnished reputation

a definite drop in attendance

not successful in describing

I haven't checked if the payment has been made.

an ineligible pass receiver

a sorry excuse

discretionary surrender―unconditional surrender

unconditional surrender―discretionary surrender

the therapy was ineffectual

a manifestly unjust verdict