DET Chinese / 中文

To be "bored to death" means feeling so bored that you're utterly uninterested in the situation, making the experience feel almost unbearable.

Using Your Smartphone as a Second Camera for the Duoli

“Know something by heart” means to have something fully memorized and recalled without notes, rooted in the old belief that the heart governed memory and emotion.

Articles are vital in English. They define if something is specific or general. There are two types: definite ("the") and indefinite ("a/an"). "The" refers to a specific noun known to the reader.

The perfect progressive tense shows an action that began in the past, continued for some time, and may still be ongoing; formed using "have/has been" + -ing verb to stress duration.

Gratitude builds strong relationships and positive environments. Saying "thank you" is a simple yet effective way to show appreciation and open doors to new opportunities.

"Beats me" is an informal English phrase meaning "I don't know." It expresses genuine uncertainty and is common in casual conversation. Its origin is unclear but likely stems from the idea of being baffled.

Effective speaking relies on clarity, feedback, turn-taking, body language, and listening. For duos, practice synergy, alternate speaking roles, support each other, and enhance engagement for better communication and delivery.

Understanding “while” and “during” helps express time. “While” links simultaneous actions using a clause with subject and verb (e.g., “She read a book while...”). They are similar but have distinct roles.

"While" is a conjunction used to show simultaneous actions or contrast between ideas, helping connect two events that happen at the same time or highlight differences in English.