Tā / zuò / shì / wú / suǒ / gù / jì / cháng / cháng / bù / kǎo / lǜ / bié / rén / de / gǎn / shòu

他做事无所顾忌，常常不考虑别人的感受。

He acts without any scruples and often ignores other people's feelings.