understand的过去式和过去分词

Understand \Un`der*stand"\ ([u^]n`d[~e]r*st[a^]nd"), v. t. [imp.
& p. p. {Understood} (([u^]n`d[~e]r*st[oo^]d"),), and Archaic
{Understanded}; p. pr. & vb. n. {Understanding}.] [OE.
understanden, AS. understandan, literally, to stand under;
cf. AS. forstandan to understand, G. verstehen. The
development of sense is not clear. See {Under}, and {Stand}.]
1. To have just and adequate ideas of; to apprehended the
meaning or intention of; to have knowledge of; to
comprehend; to know; as, to understand a problem in
Euclid; to understand a proposition or a declaration; the
court understands the advocate or his argument; to
understand the sacred oracles; to understand a nod or a
wink.

Speaketh [i. e., speak thou] so plain at this time,
I you pray,
That we may understande what ye say. --Chaucer.

I understand not what you mean by this. --Shak.

Understood not all was but a show. --Milton.

A tongue not understanded of the people. --Bk. of
Com. Prayer.

2. To be apprised, or have information, of; to learn; to be
informed of; to hear; as, I understand that Congress has
passed the bill.

3. To recognize or hold as being or signifying; to suppose to
mean; to interpret; to explain.

The most learned interpreters understood the words
of sin, and not of Abel. --Locke.

4. To mean without expressing; to imply tacitly; to take for
granted; to assume.

War, then, war,
Open or understood, must be resolved. --Milton.

5. To stand under; to support. [Jocose & R.] --Shak.

{To give one to understand}, to cause one to know.

{To make one's self understood}, to make one's meaning clear.


Understood \Un`der*stood"\,
imp. & p. p. of {Understand}.