tế nhị
la2se2ʔsjaɜdaʔ ʔa2n laaɪat ɒɒn dɛlɪkət bʌt dʌzənt fʊli kaptʃə ðə səʊʃəl takt ɛlɪmənt ɔː msai5ha2wa2pha2ɹiɜb mɪaɪ waɪfɹɪp pəsɛptɪv slaʃ taktfəl bʌt dʌzənt hav ðə seɪm njuːəns
In Thai ละเอียดอ่อน (là-ìat ɔ̀ɔn) - delicate, but doesn't fully capture the social tact element, or มีไหวพริบ (mii wǎi-phríp) - perceptive/tactful, but doesn't have the same nuance.
Describing someone or something as sensitive, tactful, and considerate of others' feelings, especially in delicate situations.
Example
"Cô ấy rất *tế nhị* khi giao tiếp."