我
我 means “I” or “me.” It is the subject in 我现在明白了, 我不明白, and 我不知道, and it appears before 的 in 我的意思 to mean “my meaning” or “what I mean.” A common reuse pattern is 我 + verb or adjective.
现在
现在 means “now” in 我现在明白了. It places the understanding at the present time and comes before 明白 in this sentence. A common reuse pattern is 现在 + verb or adjective.
明白
明白 means “understand” or “be clear” in 我现在明白了 and 我不明白. In 明白我的意思, it means understanding what someone means. A common reuse pattern is 明白 + the thing or message understood.
了
In 我现在明白了, 了 shows a changed state: the speaker understands now. It comes at the end of the clause in this dialogue. A common use is after a clause when a new situation or state has begun.
不
不 means “not” in 不明白 and 不知道. It comes directly before the word it negates, so 不明白 means “not understand” and 不知道 means “not know.” A common reuse pattern is 不 + verb or adjective.
知道
知道 means “know” in 我不知道. Here, 不知道 means that the speaker does not know the information. A common reuse pattern is 知道 + the information or fact known.
你
你 means “you.” It is the subject in 你是什么意思, 你明白我的意思吗, and 你认识他吗. A common reuse pattern is 你 + verb when asking about the other person’s action or knowledge.
是
In 你是什么意思?, 是 helps form the question pattern 你是什么意思?, which asks “What do you mean?” The reusable pattern X 是什么意思? asks what X means.
什么
什么 means “what” in 你是什么意思?. Together with 意思 in 是什么意思, it asks about the meaning of something rather than identifying a person. A common reuse pattern is 什么 + noun when asking what something is.
意思
意思 means “meaning” in 是什么意思 and 我的意思. In 你是什么意思?, the whole question asks what someone means; in 我的意思, it refers to what the speaker means. A common reuse pattern is X 的意思 for “the meaning of X.”
的
In 我的意思, 的 links 我 with 意思 and makes the phrase mean “my meaning” or “what I mean.” It marks the relationship between the person and the thing connected to them. A common reuse pattern is pronoun or noun + 的 + noun.
吗
吗 is placed at the end of 你明白我的意思吗? and 你认识他吗? to make them yes-or-no questions. It signals that the speaker is asking whether the listener understands or knows someone. A common reuse pattern is a statement or question clause + 吗.
认识
认识 means “know” or “be acquainted with” in 认识他. Here it asks whether the listener knows the person referred to by 他. A common reuse pattern is 认识 + a person.
他
他 means “him” in 认识他. It is the person who is known in this question and comes after 认识. A common reuse pattern is a verb + 他 when he is the object of the action.