Fish is already tender and moist, so a marinade is just added for flavour.

鱼肉已经鲜嫩松软，所以加入腌汁只是提味。

《柯林斯英汉双解大词典》

I miss the fish cooked by my mum, it's quite fresh and tender.

我好想念妈妈做的鱼，真的很鲜嫩啊！

youdao

A tender kurobuta pork is simmered in a tamarind broth thickened with the starch of taro root. It’s served with a side dish of red rice and fish sauce.

嫩嫩的黑猪肉加上裹芋头浆的酸角汤，文火慢炖，旁边配上红米饭和鱼露。

youdao

Instead, they're sending fresh fish from pristine waters, tender meat of coddled lambs and untainted dairy products.

NPR: Whole Foods to Sell Exclusive Icelandic Delights

Whole roasted fish (branzino or turbot) are reliably flaky and tender, served with caramelized lemon.

NEWYORKER: Il Buco Alimentari e Vineria

As they get older they branch out, and foodies are on the lookout for the places that add a twist to old flavours, like making a particularly crispy oyster omelette (an egg omelette with tender fresh oysters) or using eel balls instead of fish balls in their wonton mee (noodle and wonton soup).

BBC: Finding a favourite hawker stall in Penang