1. The team lost the game on purpose because the winning team would give them a large sum of money in exchange. The defeat was planned.2. The news said that the Malaysian plane shot down in eastern Ukraine was a deliberate act carried out to discredit Ukrainian people who resist capitalism.3. After the police investigation, the manslaughter was actually a premeditated murder.
 on purpose planned deliberate premeditated這些字都指故意或刻意，用法請參照例句。
Do you think this married man has lterior motives when he offered to drive a female colleague home?