1The police investigated the company's financial records because they had been acting suspiciously in the months leading up to the audit.
2Is it suspiciously quiet in here, or am I just imagining things?
3She looked at him suspiciously, wondering if he was telling the truth about his whereabouts last night.
4The neighbors reported that the house had been empty for weeks, but the lights were on suspiciously late at night.
5The company's sudden decision to lay off half the staff seemed suspiciously convenient, given the upcoming merger talks.