I don't like scientifice stuff, but I had to read a scientific article today. I don't like scientific stuff, but I had to read a scientific article today.

I was able to translate it from English into Japanese relying onwith my English-Japanese dictionary. I was able to translate it from English into Japanese with my English-Japanese dictionary.

"relying on" is fine, but I think this sounds more natural.

I was able to translate it from English into Japanese relying onwith help from (by using) my English-Japanese dictionary. I was able to translate it from English into Japanese with help from (by using) my English-Japanese dictionary.

However, there was one sentence that I was not able to translate smoothlyvery well. However, there was one sentence that I was not able to translate very well.

Again, yours is fine. I just think this is a bit more natural.

After spending about least 2 hours at least seelooking for athe right wording with the English-Japanese dictionary, it cameoccurred to me that I should've been lookeding in an English-English dictionary. After spending at least 2 hours looking for the right wording with the English-Japanese dictionary, it occurred to me that I should've been looking in an English-English dictionary.

After spending about least 2 hours at least seeksearching for athe right wording with the English-Japanese dictionary, it came todawned on me that I should've looked in an English-English dictionary. After spending at least 2 hours searching for the right wording with the English-Japanese dictionary, it dawned on me that I should've looked in an English-English dictionary.

After spending about 2 hours at least seeking for at least two hours trying to find the right wording with the English-Japanese dictionary, it cameoccurred to me that I should' have looked in an English-English dictionary. After spending at least two hours trying to find the right wording with the English-Japanese dictionary, it occurred to me that I should have looked in an English-English dictionary.

Then, the minute I looked it up into the OALD, I found the answer. Then, the minute I looked it up in the OALD, I found the answer.

Then, the minute I looked it up into the OALD, I found the answer. The minute I looked it up in the OALD, I found the answer.

The key takeaway: Look in the English-English dictionary first before wasting your time. The key takeaway: Look in the English-English dictionary first before wasting your time.

The key takeaway: Look in the English-English dictionary first before wasting your time. The key takeaway: Look in the English-English dictionary first before wasting your time.