要是当时有好好读说明书就好了。

If only I read the user manual properly.

Source: Tatoeba

Sentence Composition

1 要是 yàoshi (coll.) if
=2 当时 dāngshí
  1. then
  2. at that time
  3. while
=2 当时 dàngshí
  1. at once
  2. right away
=3 yǒu
  1. to have; there is
  2. (bound form) having; with; -ful; -ed; -al (as in 有意 yǒu intentional)
=3 yòu
  1. (obsolete on its own in Standard Chinese) alternative form of (yòu, “again”)
  2. (obsolete on its own in Standard Chinese) alternative form of (yòu, “and; with a remainder of (when dividing an integer by ten)”)
  3. alternative form of (yòu, “again”)
  4. alternative form of (yòu, “and; with a remainder of (when dividing an integer by ten)”)
4 好好 hǎohǎo well; carefully; nicely; properly
=5 dòu
  1. comma
  2. phrase marked by pause
=5
  1. to read out; to read aloud
  2. to read
  3. to attend (school); to study (a subject in school)
  4. to pronounce
6 说明书 shuōmíngshū
  1. (technical) manual
  2. (book of) directions
  3. synopsis (of a play or film)
  4. specification (patent)

classifier:

7 jiù
  1. (after a suppositional clause) in that case; then
  2. (after a clause of action) as soon as; immediately after
  3. (same as 就是 jiùshì) merely; nothing else but; simply; just; precisely; exactly
  4. only; as little as
  5. as much as; as many as
  6. to approach; to move towards
  7. to undertake; to engage in
  8. (often followed by zhe) taking advantage of
  9. (of food) to go with
  10. with regard to; concerning
  11. (pattern: jiù ... ...) even if ... still ...
  12. (pattern: ... jiù ...) if not ... then must be ...
8 好了 hǎole
  1. (often doubled) okay; all right; that's enough, that'll do
  2. okay; all right; that's enough, that'll do