The phrase "gave hard time" typically refers to a difficult or troublesome situation. Antonyms for this phrase might include words like "aided," "assisted," or "facilitated," which suggest a more positive or helpful interaction. Other antonyms might include words like "befriended," "cooperated," or "collaborated," which suggest a more cooperative or supportive relationship. Ultimately, the choice of antonym will depend on the specific context in which the phrase appears, as well as the desired tone and meaning of the text overall.