1
verb + inappropriately
inappropriately 常放在动词之后，表示行为或动作的方式不得体、不合时宜。
He behaved inappropriately at the meeting.
他在会议上举止不当。
不恰当地；不适当地；不合时宜地
先理解核心含义，再看它在真实句子里的用法。
不恰当地；不适当地；不合时宜地
in an inappropriate manner
He behaved inappropriately at the meeting.
他在会议上举止不当。
不适当地。
In an inappropriate manner.
He laughed inappropriately during the serious meeting.
他在严肃的会议上不恰当地笑了。
She was dressed inappropriately for the formal dinner.
她穿得不得体，不适合正式晚宴。
The report was inappropriately long for a brief update.
这份报告对一次简短更新来说长得不恰当。
inappropriately 常放在动词之后，表示行为或动作的方式不得体、不合时宜。
He behaved inappropriately at the meeting.
他在会议上举止不当。
在这种结构中，inappropriately 修饰过去分词，例如 dressed、used、equipped 等。
She was inappropriately dressed for the formal dinner.
她穿着不恰当，不适合正式晚宴。
Not this
He behaved inappropriate at the meeting.
Use this
He behaved inappropriately at the meeting.
behaved 是实义动词，要用副词 inappropriately 修饰；inappropriate 是形容词，不能修饰动词。中文“表现不恰当”容易直译成形容词。
Not this
Her behavior was inappropriately.
Use this
Her behavior was inappropriate.
was 是连系动词，后接形容词作表语；inappropriately 是副词，不能作表语，因此应改为形容词 inappropriate。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
举止不当；行为不恰当
The student behaved inappropriately during the class.
那名学生上课时举止不当。
穿着不得体
He dressed inappropriately for the job interview.
他穿着不得体地去参加求职面试。
不合时宜地笑
She laughed inappropriately at the sad news.
她听到这个悲伤的消息时不合时宜地笑了。
不当触摸他人；对某人作不当接触
The manager was disciplined for touching staff inappropriately.
该经理因不当触碰员工而受到处分。
不当使用；误用
The phrase is often used inappropriately.
这个短语常常被误用。
Use inappropriately naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
in（不）+ appropriate（恰当）+ ly（副词后缀）→ 不恰当地。想象在正式场合穿睡衣，行为‘不合时宜’。
语域：mixed 常见场景：职场讨论、新闻报道、书面报告、日常交流 该词适用于多种场合，没有明显的口语或书面限制；不过多用于正式或半正式语境，如工作报告、新闻和职场评价，日常口语中较少用，听起来会比较正式。
注意：只有 appropriately /əˈproʊpriɪtli/ 与 inappropriately /ˌɪnəˈproʊpriɪtli/ 真正押韵（重读元音 /oʊ/ 及其后的 /priɪtli/ 相同）。其余单词虽都以 -ately 结尾，但发音不同：immediately /ɪˈmiːdiətli/、fortunately /ˈfɔːrtʃənətli/、unfortunately /ʌnˈfɔːrtʃənətli/、separately /ˈsepərətli/、lately /ˈleɪtli/。不要把 -ately 一律读成 /eɪtli/。
Dictionary facts from ECDICT, WIKTIONARY.