Page 348 - Makino,Tsutusi.DictionaryOfIntermediateJGrammar

274 ni suginai
a counter, or a word with no number, such as sukoshi 'little, few' and
wazuka 'few.'

I. Vinf ni suginai can be paraphrased as Vinf dake da, as in [I].

[I] &0%Gi(f:f2)8~;kf:ZkQLTb~&tfCftfo (=KS(C))
(The man is just doing what he was told to do, that's all.)
(+ dake (DBJG: 93-97))

11. N ni suginai can be paraphrased using tada no N da, as in [2].

Note that tada no, however, can also mean 'ordinary' depending on the
following noun. Therefore, when tada no N is interpreted in this way,
N ni suginai and tada no N da are not exactly equivalent, as in [3].
:+:+ *L*b,
[3] a. %EGi&@0%4C3!4d&~\~
(He is no more than a high school teacher.)
b. ~Ebif~t-a&@D%&tf
((a) He is an ordinary high school teacher. (b) He is only a
high school teacher.)
(+ tada no)

III. Quantifier ni suginai can be paraphrased as tada no (or tatta(no)) N da,
as in [4].
[41 +fYl0%17kC70l$tF'C;t: rktfa/tz7??(a)) 3\'-+7bt;*,
(=KS(B))
(The sales increase this term is only three percent.)