to suffer from a bad experience or mistake
因糟糕的经历或错误而遭受痛苦 (yīn zāogāo de jīnglì huò cuòwù ér zāoshòu tòngkǔ)
"He burned his fingers investing in that fake company."
"他在那家虚假的公司投资时吃了亏。" (Tā zài nà jiā xūjiǎ de gōngsī tóuzī shí chīle kuī.)
to prepare energetically for something
to help someone with a task
to intentionally ignore someone
time passes very quickly
A sudden creative idea
to react too quickly or nervously to a problem