他严厉的评论完全没有理由。

His harsh comments were completely ___unjustified.

委员会认为高额费用没有理由。

The high expenses were deemed ___unjustified by the committee.

解雇他的决定没有理由，因为他没有做错任何事。

The decision to fire him was ___unjustified because he had done nothing wrong.