to substitute for someone temporarily
किसी को अस्थायी रूप से बदलना (kisi ko asthai roop se badalna)
"The assistant will sit in for the teacher today."
"सहायक आज शिक्षक के लिए सिट इन फॉर करेंगे।" (Sahayak aaj shikshak ke liye sit in for karenge.)
to miss or overlook something accidentally
to increase or accelerate the rate of growth
to have strong affection or concern for someone
to review your own actions and attitudes carefully
to count backward to mark the start of an event
to say something suddenly without thinking, often because of...